Home / 207,966.24-312,066-83,316.96

Finding the Fourth Proportional to 207,966.24, 312,066 and 83,316.96

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Solution

The fourth proportional to 207,966.24, 312,066 and 83,316.96 is: 125,022.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,966.24 : 312,066 = 83,316.96 : x
  2. Step 2: Convert to fraction form
    207,966.24/312,066 = 83,316.96/x
  3. Step 3: Cross multiply
    207,966.24x = 312,066 × 83,316.96
  4. Step 4: Simplify right side
    207,966.24x = 26,000,390,439.36
  5. Step 5: Solve for x
    x = 26,000,390,439.36/207,966.24
  6. Step 6: Final answer
    x = 125,022.17

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